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Urasterella biradialis
Taxonomy
Urasterella biradialis was named by Withers and Keble (1934). It is not extant.
It was recombined as Ulrichaster biradialis by Spencer (1950).
It was recombined as Ulrichaster biradialis by Spencer (1950).
Synonymy list
| Year | Name and author |
|---|---|
| 1934 | Urasterella biradialis Withers and Keble |
| 1950 | Ulrichaster biradialis Spencer |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Urasterella biradialis Withers and Keble 1934
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum | |||||
| References: Blake and Rozhnov 2007, Aberhan 1992, Aberhan et al. 2004 | |||||
Collections
No collection or age range data are available